The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2017
Filed:
Jul. 26, 2011
Applicants:
Osamu Okada, Kyoto, JP;
Eiji Kamio, Kyoto, JP;
Nobuaki Hanai, Kyoto, JP;
Miwako Obama, Kyoto, JP;
Inventors:
Assignee:
Renaissance Energy Research Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/26 (2006.01); B01D 71/32 (2006.01); B01D 69/14 (2006.01);
U.S. Cl.
CPC ...
B01D 71/32 (2013.01); B01D 53/228 (2013.01); B01D 53/268 (2013.01); B01D 69/142 (2013.01); B01D 2256/22 (2013.01); B01D 2257/80 (2013.01); B01D 2323/30 (2013.01);
Abstract
A steam permselective membrane containing a crosslinked hydrophilic polymer is provided. The steam permselective membrane may further contain at least one alkali metal compound selected from the group consisting of a cesium compound, a potassium compound and a rubidium compound.